Inventor · disambiguated record
Ryoichi Yamaguchi
Also filed as: YAMAGUCHI RYOICHI
4 granted patents·2 pending applications·15 citations·filing 1987–2012
71Inventor score
Top patents by PatentIndex Score
6 records- 0168US7952391B2Digital noise filterRENESAS ELECTRONICS CORP·Filed 2010·Granted May 31, 2011·3 cites·8 claims
- 0267US8392643B2Data processing device, semiconductor integrated circuit device, and abnormality detection methodYAMAGUCHI RYOICHI·Filed 2011·Granted Mar 5, 2013·3 cites·14 claims
- 0351US8395417B2Digital noise filterYAMAGUCHI RYOICHI·Filed 2011·Granted Mar 12, 2013·1 cites·9 claims
- 0451US4808829AMark position detection system for use in charged particle beam apparatusHITACHI LTD·Filed 1987·Granted Feb 28, 1989·8 cites·4 claims
- 0534US2012229181A1Asynchronous circuitYAMAGUCHI RYOICHI·Filed 2012·Application pending·0 cites
- 0633US2012303856A1Semiconductor device and method of controlling the sameNAKANOSE NAOKI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →